Dell Latitude 12 Rugged Extreme (7204, Early 2014) - Manual (Page 30)

d. Remove the screws that secure the LED board [5].
e. Lift the LED board from the computer chassis [6].
Installing the LED Board
1. Insert the LED board in the slot on the computer chassis.
2. Connect the screws to secure the LED board.
3. Push the LED board to secure it.
4. Connect the screws to secure the board.
5. Connect the LED board to the connector.
6. Install:
a. fingerprint reader
b. card bracket
c. hard drive
d. MEMS board
e. USH board
f. GPS module
g. docking board
h. bottom cover
i. battery
7. Follow the procedures in After Working Inside Your computer .
Removing the Battery Board
1. Follow the procedures in Before Working Inside Your Computer
2. Remove:
a. battery
b. bottom cover
c. docking board
d. GPS module
e. USH board
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